fn main() {
    println!("Hello, world!");
    let pair = (1, 0);
    println!("tell me about {:?}", pair);
    match pair {
        (0, y) => { println!("First is 0 and y is '{:?}'", y) }
        (x, 0) => { println!("x is {:?}  and last is 0", x) }
        _ => { println!("It doesn`t matter what they here") }
    }

}
